64575004 has 12 divisors (see below), whose sum is σ = 121699144. Its totient is φ = 29803824.

The previous prime is 64575001. The next prime is 64575029. The reversal of 64575004 is 40057546.

It is a happy number.

It is a super-2 number, since 2×64575004² = 8339862283200032, which contains 22 as substring.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64575001) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 620862 + ... + 620965.

Almost surely, 2^64575004 is an apocalyptic number.

It is an amenable number.

64575004 is a deficient number, since it is larger than the sum of its proper divisors (57124140).

64575004 is a wasteful number, since it uses less digits than its factorization.

64575004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1241844 (or 1241842 counting only the distinct ones).

The product of its (nonzero) digits is 16800, while the sum is 31.

The square root of 64575004 is about 8035.8573904718. The cubic root of 64575004 is about 401.1943552395.

The spelling of 64575004 in words is "sixty-four million, five hundred seventy-five thousand, four".